Foul anchor

the anchor when it hooks, or is entangled with, another anchor, or with a cable or wreck, or when the slack cable entangled.
(Naut.) See under Anchor.

See also: Anchor, Foul

References in periodicals archive ?
Navy Department Circular #79, dated June 12, 1897, described the new CPO cap device as, "The 'device for chief petty officers' caps (except bandmaster) shall be the letters U.S.N., in silver, upon a gilt foul anchor."
Also under an 1869 order, all commissioned officers, except chaplains, professors of mathematics and naval constructors were directed to wear the same cap device, a silver spread eagle standing on a gold embroidered foul anchor. Thus, the Pay Corps device disappeared forever from the cap.